[SCSI] remove dma_mask hacks

pci_alloc_consistent is under 4G by default.  Also simplify the
definition of bus_dmamap_t.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index 752022e4d4d4..9cfb46b4b15f 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -174,11 +174,7 @@ struct ahc_linux_dma_tag
 };
 typedef struct ahc_linux_dma_tag* bus_dma_tag_t;
 
-struct ahc_linux_dmamap
-{
-        dma_addr_t      bus_addr;
-};
-typedef struct ahc_linux_dmamap* bus_dmamap_t;
+typedef dma_addr_t bus_dmamap_t;
 
 typedef int bus_dma_filter_t(void*, dma_addr_t);
 typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
@@ -479,7 +475,6 @@ struct ahc_platform_data {
         uint32_t                 irq;           /* IRQ for this adapter */
         uint32_t                 bios_address;
         uint32_t                 mem_busaddr;   /* Mem Base Addr */
-        uint64_t                 hw_dma_mask;
         ahc_linux_softc_flags    flags;
 };